\begin{tabular}{llll} \hline Dataset & Knn & Lof & IFor \\ \hline $Delft\_pump\_5x3\_noisy(64)$ & $0.3800 \pm 0.0475$ & $0.3462 \pm 0.0327$ & $\textbf{0.4272} \pm 0.0680$ \\ $hill-valley(100)$ & $0.4744 \pm 0.0269$ & $\textbf{0.5060} \pm 0.0327$ & $0.4720 \pm 0.0288$ \\ $speech(400)$ & $0.4903 \pm 0.0103$ & $\textbf{0.5104} \pm 0.0115$ & $0.4872 \pm 0.0184$ \\ $Sonar\_mines(60)$ & $\textbf{0.7284} \pm 0.0939$ & $0.6769 \pm 0.0933$ & $0.6189 \pm 0.1301$ \\ $ozone-level-8hr(72)$ & $\textbf{0.8051} \pm 0.0288$ & $0.7738 \pm 0.0292$ & $\textbf{0.7768} \pm 0.0118$ \\ $spambase(57)$ & $0.8038 \pm 0.0125$ & $0.7712 \pm 0.0055$ & $\textbf{0.8202} \pm 0.0042$ \\ $arrhythmia(274)$ & $\textbf{0.8137} \pm 0.0185$ & $0.8042 \pm 0.0186$ & $\textbf{0.8086} \pm 0.0099$ \\ $mnist(100)$ & $0.9345 \pm 0.0039$ & $\textbf{0.9548} \pm 0.0037$ & $0.8732 \pm 0.0069$ \\ $Concordia3\_32(256)$ & $0.9246 \pm 0.0107$ & $\textbf{0.9486} \pm 0.0099$ & $\textbf{0.9322} \pm 0.0178$ \\ $optdigits(64)$ & $0.9966 \pm 0.0012$ & $\textbf{0.9975} \pm 0.0012$ & $0.8142 \pm 0.0267$ \\ $gas-drift(128)$ & $\textbf{0.9790} \pm 0.0018$ & $0.9585 \pm 0.0055$ & $0.8764 \pm 0.0166$ \\ $Delft\_pump\_AR(160)$ & $\textbf{0.9965}$ & $\textbf{0.9953} \pm 0.0019$ & $0.9665 \pm 0.0096$ \\ $musk(166)$ & $\textbf{1.0}$ & $\textbf{1.0}$ & $0.9808 \pm 0.0117$ \\ $$ & $$ & $$ & $$ \\ $Average$ & $\textbf{0.7944}$ & $\textbf{0.7879}$ & $0.7580$ \\ \hline \end{tabular}